I'm not clear on what you would use that for, but you can use approx(original prob from calibrate, calibrated prob from calibrate, xout=vector of original predicted values)$y to get this. Frank
yz wrote: > > Thanks Frank > > I got the predicted probability. > > But can I get the bootstrap corrected probability for individual subject. > > for instance, I can get predicted probability from predict(fit, > type="fitted"). Is there similar one to retrieve the bootstrap corrected > probability for individual subject. > > THANKS > > *Yao Zhu* > *Department of Urology > Fudan University Shanghai Cancer Center > Shanghai, China* > > > 2011/9/1 Frank Harrell <f.harr...@vanderbilt.edu> > >> cal <- calibrate(fit, ...); note that cal is a matrix. colnames(cal) >> will >> tell you what to pick, in this case cal[,'calibrated.corrected']. >> >> Be sure to follow the posting guide. >> Frank >> >> >> yz wrote: >> > >> > Dear R users: >> > >> > In Prof. Harrell's library rms, calibrate.rms plot the Bias-corrected >> > Probability and Apparent Probability. >> > The latter one can be retrieved from class calibrate.default. But how >> to >> > retrieve the former one. >> > >> > BW >> > >> > *Yao Zhu* >> > *Department of Urology >> > Fudan University Shanghai Cancer Center >> > Shanghai, China* >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > R-help@r-project.org mailing list >> > https://stat.ethz.ch/mailman/listinfo/r-help >> > PLEASE do read the posting guide >> > http://www.R-project.org/posting-guide.html >> > and provide commented, minimal, self-contained, reproducible code. >> > >> >> >> ----- >> Frank Harrell >> Department of Biostatistics, Vanderbilt University >> -- >> View this message in context: >> http://r.789695.n4.nabble.com/How-to-retrieve-bias-corrected-probability-from-calibrate-rms-tp3783160p3783420.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ----- Frank Harrell Department of Biostatistics, Vanderbilt University -- View this message in context: http://r.789695.n4.nabble.com/How-to-retrieve-bias-corrected-probability-from-calibrate-rms-tp3783160p3784868.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.